0
votes
0answers
26 views

DKIM errors in an nontransparent system

We have a client who has their mail hosted using a local exchange and POP3 connector's to their head office, and we only have access up to the POP3 connectors. This client hasn't been receiving all ...
0
votes
1answer
37 views

Unknown RR type in named - SRV exchange record

I am trying to add an SRV record on Fedora 20 x64 on bind 9. The record should reroute the mail for excahnge to a different port. So I add this SRV record: _sumbission._tcp IN SRV ...
-4
votes
0answers
22 views

Setting up standard DNS/MX records for Exchange

I'm trying to setup a mail server (Exchange), and we don't currently have a static IP, just a dynamic one. So from what I've read, running a mail server from dynamic IP causes problems as some mail ...
1
vote
1answer
225 views

Exchange 2013 really slow outside of localhost

We've got a 12 core xeon, 24GB of ram 2012 server. We've recently migrated from exchange 2010 (which was on another server) to exchange 2013 which resides on our new 12 core server. Accessing the OWA ...
0
votes
2answers
267 views

Exchange 2010 Split-Brain DNS with an SSL for External DNS name

Last weekend I did a swing migration from Exchange 2003 to Exchange 2010. It all went fine, but now my users are getting a Security Alert ~ "The name on the security certificate is invalid or dose ...
1
vote
1answer
111 views

Exchange 2013 - DNS Records for Accepting Multiple Domains

I have an Exchange 2013 server accepting two domains: domain1.com and domain2.com. All of the exchange services (OWA, ECP, POP3, SMTP, etc.) can be found via the address mail.domain1.com. So, in the ...
1
vote
2answers
58 views

Assist in diagnosing reverse dns mismatch

We seem to have an occasional issue, whereby mail is bypassing our first three MX records, and going to our 4th MX record. This is purely a backup, and we think that the reason it is skipping the ...
0
votes
1answer
166 views

Some E-mails are being rejected, do I need a DNS record for my default gateway?

I have been seeing more of these types of bounceback messages (IP address changed for example): mail.test.com #550-Your message was rejected by this user and was not delivered. 550-Reason: Your ...
0
votes
1answer
67 views

Multi MX records with nonidentical e-mails

I have two domains, one forwarded to the other. I want to use 2 e-mail accounts on both domains as aliased but some e-mails only on the other domain. I will create 2 MX records for both domains with ...
1
vote
1answer
953 views

Migrating Exchange 2007 Users to Exchange 2013

In our company up until now, we've had an on-site Exchange 2007 installation. For the purposes of this question, we have 3 servers : Exchange07MBX01 (Mailbox, Hub Transport) Exchange07MBX02 (Client ...
1
vote
1answer
1k views

Moving from WHM to Office 365 for mail

I have signed up for Office 365 and have set it up to use my current domain - I have verified the DNS etc and done the DNS setup in WHM where I added the new DNS records to the zone. The problem is ...
0
votes
2answers
276 views

Need help about DNS Zone

I need to redirect my MX record to our new Exchange Server but there is things that I don't get ... My domain name his provided by OVH and my hosting is at 2MHOST. So in my OVH control panel the DNS ...
0
votes
1answer
383 views

Outlook 2010 keeping outgoing emails, only sending after application restart

I'm in a bit of a pickle here. We've recently switched broadband providers and for some reason, our outgoing emails get stuck in the Outgoing folder in Outlook 2010. They only get sent after ...
1
vote
1answer
127 views

How can I make my site accessible by domain.com as well as www.domain.com without blocking Exchange email

Right now my DNS settings look something like this: | Host Name | IP Address/URL | Record Type | | ------------ | ------------------------------- | ----------- | | www | ...
1
vote
2answers
12k views

Configuring DNS & MX records for exchange 2010

i am trying to configure Exchange Server 2010 on Windows Server 2008 R2 to receive emails from the internet following the danscourses tutorials: and i followed this video for the DNS & MX ...
1
vote
1answer
86 views

Exchange 2003 issue after changing external DNS mx record

We currently use an external spam filter service that forwards our incoming mail to our internal exchange server. We have decided to stop this service and use Sophos pure messgage on our exchange ...
0
votes
3answers
802 views

Exchange and SPF Records

I've created an SPF record on 123-Reg, which is working great. But my question is how Exchange servers know that an SPF record exists when they receive mail from a domain. How does Exchange know it ...
-2
votes
2answers
208 views

How Can I Load Balance Outbound Email?

My server have four external IP address. I want to distribute to this IP addresses for sending emails. For example : 1.st mail sending XX.XX.XX.10 ip 2.nd mail sending XX.XX.XX.11 ip 3.rd mail ...
0
votes
1answer
61 views

Exchange - Changing email adresses - Could not deliver to recipients address - Error 5.00

The company I'm working for previously bought a small company who had their own e-mail service via some provider. And now when we're trying to merge them to our domain, we get this error message when ...
1
vote
1answer
86 views

DNS/Mailboxes for subdomain currently on an exchange

A client currently has emails such as: user@uk.domain.com they have these two A records (among others, to different IPs): uk.domain.com mail.domain.com pointing to the same IP address. There is ...
0
votes
0answers
97 views

Accessing an Exchange server from two domains in the same forest

I made two domains, dc2.com and dc2.com, in same forest. I installed a DNS server in every domain. I want to install an Exchange server in one domain then access this Exchange server from two ...
-1
votes
2answers
2k views

Preventing automatic DNS updates for multi-homed NIC in Windows Server environment

Similar to How do I prevent one IP from creating a DNS entry on a multi-homed server? but I didn't get a clear answer there. I have a host, call it EXCHANGE, with two IPs, 10.5.1.10 and 10.5.1.15. I ...
2
votes
4answers
5k views

Eliminate certificate warning when users access Outlook/Exchange 2010 on split domain setup

I have an internally-hosted Exchange 2010 Server with an internal domain, EXCHANGE0.COMPANY.COM. I have configured all users to access Outlook (even internally) using Outlook-over-HTTP. To do so I ...
1
vote
2answers
139 views

Reverse DNS, who sets this up

I have 4 domains registered with an online host, all these domains have been setup with both A & MX records pointing at our office WAN Static IP, behind that I have an Exchange Server. This had ...
0
votes
0answers
128 views

Exchange 2007 - Can't resolve name when creating new e-mail profile

This just recently happened and I'm not quite sure what could have caused it. Whenever I now set up a new computer at the office, I log on with that user and start Outlook. Previousy the mail profile ...
0
votes
2answers
772 views

can't receive external mail

Problem with the exchange 2003 server at our company users can send and receive mail from and to each other. receiving external mail (ex. from hotmail) doesn't work, sending to an external mail addres ...
0
votes
2answers
335 views

Exchange webmail internal dns

How do I modify my internal dns-server, so that I can use the same DNS address as I use externally? Example; Exchange.domain.com should point to 192.168.X.X instead of external static ip. Regards
0
votes
3answers
161 views

DNS - MX - Entries

I have a server and sometimes it rejects mails (Relay access denied) I added a second MX entry (MX 20). Now the question: If the outgoing server gets a Relay access denied from MX 10 does it try to ...
0
votes
2answers
112 views

DNS settings for domain and existing exchange server

I've set up a website for someone and redirected his domain to point to my server. He has his own exchange mail server he still wants to use. He couldnt recieve mails after the domain transfer. I've ...
0
votes
1answer
54 views

How to restore Outlook to Exchange access after cable to DSL switch?

We have an Active Directory domain, using Exchange 2003 for email. Our incoming mail suddenly dropped, and after much troubleshooting, we determined that it was caused by our Comcast cable modem. ...
0
votes
1answer
153 views

Changing DNS Records to Point To Server

What I have built is a Windows Server 2003 environment, with Exchange 2003 and a router that has port 25 forwarding to its internal IP address on my network. What I am having problems with is ...
0
votes
3answers
190 views

Two domains email to same user

I have two domains, website.com and website.net my primary one is website.net. They are both have the name servers pointed to them and .com is just forwarded to .net My concern is that when I email ...
1
vote
1answer
309 views

Migrated Exchange 2007 to VMware, cannot start Exchange services - DNS / IP issue?

I had a test Exchange 2007 system in Microsoft VPC which I had converted to VMware ESXi format. However when I powered on the machine it was automatically using the default VLAN which is connected to ...
-1
votes
1answer
61 views

Not sure of settings of Exchange server

I need some help with Exchange server settings, I really do not have much time for studying right now, so please help. I have simple Windows Small Business server 2000 with Exchange and DNS ...
0
votes
1answer
164 views

Exchange server creating dns records automatically. How to stop

We have 3 exchange / active directory servers. exchange.queensberry.com exchange2.queensberry.com exchange3.queensberry.com In the domain 'queensberry.com' Our web server is remote from the ...
2
votes
4answers
732 views

Is OpenDNS safe to use in a location with Exchange/Reverse DNS

I like OpenDNS, but was wondering if anyone has experience deploying it for a location with an Exchange installation. I'm concerned specifically about whether any filtering they do would cause ...